JPS6050901B2 - Knitting machine needle selection method - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a needle selection method for a knitting machine, and more specifically, a digital electric signal corresponding to a pattern to be knitted is stored in a memory, and a digital electric signal is obtained in relation to the movement of a carriage. Regarding a needle selection method for a knitting machine in which a readout address designation signal is created by counting timing pulses with a counter, the above-mentioned digital electrical signal is read out using this signal, and needles are selected according to the contents, the purpose is the same. This is a completely new technology that allows patterns, including unit patterns, to be created at any position on the needle bed at any time, and also allows the width of each pattern, the mutual position, and the number of patterns to be created at any time to be changed very easily. The aim is to provide a needle selection method for knitting machines.

The present invention will be explained in detail below with reference to an illustrated embodiment applied to a home-use hand knitting machine.

First, the overall outline of a hand knitting machine to which the present invention is applied will be explained with reference to Fig. 1.A knitting machine main body X having a needle method A reading device A equipped with a scanning member (not shown in Figure 1) that optically scans recorded information, and a manual device used to manually operate various mechanisms described below in addition to this reading device A. A control box B containing various electrical and electronic circuits, which will be described later, is installed on the operation panel 2, and is installed behind the needle bed x. Switch activation piece 3 for setting left and right needle selection ranges, which is a point setting means that can arbitrarily divide the range
1 and 3r are mounted at any position, and the needle bed
Although not shown in FIG. 1, needles are placed on the back side of the base plate 4 of the carriage Y that runs on the top, in response to electrical signals obtained by scanning the knitting pattern on the knitting program card 1. Knitting needles are arranged in rows on the floor x, and a pair of left and right knitting needle sorting mechanisms are arranged at a predetermined length apart on the left and right sides, one of which operates effectively forward and backward according to the traveling direction of the carriage Y using electromagnetic force. .

The reading device A has its scanning member mounted on a carriage Y.
(More specifically, when the carriage Y approaches the switch activation piece 31 or 3r) Card 1
By automatically scanning recorded information horizontally in a straight line, an electrical signal corresponding to the information is output, and the subsequent processing of the electrical signal is now performed using an electronic configuration. Further, power is supplied to the electrical components of the left and right pair of knitting needle sorting mechanisms by, for example, a cord 6 that is passed through a tension member 5 that applies tension to the knitting yarn, and the carriage Y is connected to the switch. Starting piece 31
, 3r, by reciprocating the knitting needles to a point beyond both the left and right sides of the switch starting pieces 31 and 3r, so that only the knitting needles within the interval between the switch activation pieces 31 and 3r are subjected to the effective sorting action (those within this range are also brought to a rest position where they are not subjected to any sorting action at all). (with some exceptions).

First, let's talk about the mechanical configuration of the reading device A. second
This will be explained in detail with reference to Figures 6 to 6.

The entire reading device A is mounted on a frame 7 further behind the rising wall X1 at the rear end of the needle bed x.First, the recording medium transport mechanism therein, that is, the knitting program card 1 is loaded and read. To explain the mechanism for transferring, endless sprocket belts 81 and 8r, which are feeding members, are mounted on the left and right sides of the frame 7 so as to be able to circulate.

The sprocket belts 81, 8r have sprockets 8'' that fit into the left and right perforations of the knitting program card 1 protruding from the outer circumferential surface at a constant interval. and a card guide plate 9 with a U-shaped cross section disposed below between them, and by fitting the perforation 1'' to the sprocket 8''. , the sprocket belts 81 and 8r can support the card 1 in a U-shaped bent state, and in this supported state, are circulated by the transfer drive mechanism a installed on the right side of the frame 7, thereby allowing the card to be 1 can be transferred in the direction in which the perforations 1'' are lined up.

That is, each sprocket belt 81, 8r has a large pulley 101, 10r on the lower side and a small pulley 111 diagonally above it, as shown in FIGS. 3 and 4 (parts of the belts 81, 8r are cut out). 11r, and the left and right large pools 01 and 10r are connected to the drive shaft 12.
The left and right small pulleys 111 and 11r are connected to each other by a rotating shaft 13, and furthermore, the drive shaft 12 is integrally connected to the ratchet wheel 14 of the transfer drive mechanism a, By rotating this ratchet wheel 14, the left and right sprocket belts 81, 8r
At the same time, they are beginning to move cyclically.

As shown in FIGS. 2, 4 and 5, the transfer drive mechanism a has a normal transfer piece 15 on the front side of the ratchet wheel 14.
Further, a reverse feed piece 15'' is arranged on the rear side, and both of these feed pieces 15, 15'' are connected to plungers 17, 17'' of a pair of electromagnets 16, 16'' by pins 18, 1'', respectively. The forward or reverse direction of the ratchet wheel 14 is determined depending on which of the electromagnets 16 and 16'' is driven.

In other words, the two sending pieces 15, 15'' are always moved by the claws 21, 2'' by the springs 19, 19'' acting individually on them and the spring 20 stretched between them.
is set at the upper limit retracted position where it does not engage the ratchet wheel 14, but the corresponding electromagnets 16, 1
6'' is repeatedly energized and deenergized by inputting a pulse electric signal, and as the plunger 17 or 17'' moves up and down, the guide pieces 22 and 23 rotate slightly, respectively.
Alternatively, it moves up and down along lines 22' and 23'' to repeatedly engage and disengage with the ratchet wheel 14.

Therefore, depending on which of the pair of electromagnets 16 and 16'' is driven, the forward and reverse directions of the ratchet wheel 14 are determined, and thereby whether the card 1 is sent in the forward direction or not (see Fig. 2). (lower side) This determines whether to send in the opposite direction.

As mentioned above, the card 1 optically scans horizontally in a straight line, and if there are irregularities on the line that is currently being scanned, the accuracy of reading the information recorded on the card 1 may be compromised. In order to prevent this, a card receiving plate 24 is stretched between the left and right sprocket belts 81 and 8r, and further on the left and right sides of the left and right belts 81 and 8r, the left and right side edges of the card 1 are Left and right card holding pieces 251 that lightly press the respective parts,
It is equipped with a 25r.

That is, the upper surface of the card receiving plate 24 is as shown in FIG.
The rear side is high and the front side is a flat sloped surface, and each card holding piece 251, 25r is shown in FIG. 6 (I in FIG. 2).
As shown in the side view of the right side in the cross section taken along the line -1, there is a fulcrum on the axis of the drive shaft 12, and the drive shaft 12 can be rotated, that is, opened and closed, around the fulcrum. In other words, the card 1 is biased in the closing direction, and the card 1 has its left and right perforations 1'' as described above.
By fitting the card into the sprocket 8'' of the sprocket belts 81, 8r and pressing it with the card holding pieces 251, 25r, the card is transferred along the flat inclined upper surface of the card receiving plate 24 while remaining in close contact therewith.

As a result of the above, the portion of the card 1 along the card receiving plate 24 is always flat over almost its entire length on the left and right sides. Next, a traveling drive mechanism for moving the scanning member b to scan the card 1 horizontally in a straight line on this flat inclined portion will be explained.

Two upper and lower guide rods 27 and 28 are horizontally suspended in parallel to each other on the frame 7, and a scanning member b is mounted on these so as to be slidable left and right.

That is, as shown in FIG. 3, the scanning member b has left and right through holes 291 provided in its main body, the running body 29, slidably fitted into the upper guide rod 27.
The bobbin 30 integrally provided on the lower side of the lower guide rod 28
It is fitted in a slidable manner.

A coil 31 is wound around the bobbin 30, and a horizontally long permanent magnet 32 is placed slightly below the lower guide rod 28 in parallel thereto.

The permanent magnet 32 has, for example, an N pole on its upper full length and an S pole on its lower full length, and the lower guide rod 28 is made of a magnetic material, and is turned on by passing a current through the coil 31. The current crosses the magnetic field that the permanent magnet 32 is always attached to, and the magnetic force acting between them causes the traveling body 29, and therefore the scanning member b, to move around the guide rod depending on the direction of the current flowing through the coil 31. 27 and 28, automatically driving to the left or right.

That is, the coil 31 and the permanent magnet 32 are
This constitutes a kind of linear motor with 2 as a stator.

At positions corresponding to the left and right ends of the permanent magnet 32, as shown in FIG. 7 (cross section taken along line 1-2 in FIG. 2), left and right limit switches 331 act to switch the polarity of the current flowing through the coil 31. , 33r are arranged.

The limit switch 331 on the left side is turned on when the scanning member b collides with the left row, and the right limit switch 33r is turned on when the scanning member b collides with the right row. limit switch 3
It moves left and right between 31 and 33r, and these left and right limit switches serve as the left and right stroke ends, and as will be described later, the scanning member b is always located at the left stroke end, which is its original position. , in relation to the reversal of the carriage Y's travel, it moves from its original position to the right stroke end at a fairly high speed, and as soon as it reaches the right stroke end, it immediately reverses (
The left and right limit switches 331 and 33r are configured to automatically and continuously feed back the scanning member b to the original position (turning back) to the original position, and the left and right limit switches 331 and 33r respectively check whether the scanning member end)
It also functions as a means of detecting whether or not it is present.

As shown in FIG. 3, the upper extension part 29'' of the traveling body 29 of the scanning member b extends diagonally upward on the rear side and then diagonally downwardly, and its leading edge is on the inclined surface of the card receiving plate 24. A so-called light-receiving element is located at a close position and faces it, and at its tip consists of a reading element, that is, a light-emitting element, and a light-receiving element that receives reflected light that is reflected from the surface of the card and converts it into an electrical signal. A photoelectric sensor c is installed inside.

As the scanning member b moves, the photoelectric sensor c optically scans a straight line along the card receiving plate 24 of the card 1. In the following, the photoelectric sensor c will be referred to as a scanning sensor. I will call it that.

Next, card 1 will be explained with reference to FIG. 2. It is semi-transparent, and the perforations 1"
On the white surface in between, a knitting pattern recording section 1p, which is a part for recording the knitting pattern, and
The function mark entry field 1f, which is the organizing function information recording area on the right side, that is, the area where the function mark is recorded, is set to a color that is the same as the emission color of the light emitting element of the scanning sensor c and that the light receiving element does not discriminate (for example, the light emitting element is red). It is created by displaying grid lines (red when using light emitting diodes) in advance using an appropriate display method such as printing, and is read by the scanning sensor c on the left side of the knitting pattern entry field 1p. A large number of feed control marks 34, which can control the feed amount of the card 1, are displayed, for example, slightly thick black horizontal lines at regular intervals in the direction in which the perforations 1'' are arranged. It has been recorded in advance.

The spaces between the entry fields 1p and 1f and between the entry field 1p and the feed control mark 34 are blank. In the above-mentioned knitting pattern entry column 1p, the vertical lines of the grid dividing lines that constitute it are the dividing lines between stitches, and the horizontal lines are the dividing lines between knitting rows, and below the margin,
The numbers representing the stitches are shown in the same color as the grid dividing lines.

To be more specific, in the knitting pattern entry field 1p, one minimum section, that is, a reporter grid, corresponds to one stitch,
The horizontal arrangement, or row, corresponds to one knitting needle, and the vertical arrangement, or row, corresponds to a knitting row (wale), and it is a so-called unit in which n horizontal rows of stitches constitute one group. When knitting a pattern, consider the vertical line at the left edge and the vertical line n vertical lines to the right as the boundary line, and draw a picture (knitting pattern) corresponding to the unit pattern to be knitted between them. For example, as shown in the figure, the image is drawn in black using an appropriate writing instrument such as a pencil.

For example, when knitting a unit pattern of 12 stitches in a horizontal row by selecting the knitting needles of one pot as a unit of one group, the vertical line of the left edge and the vertical line of the first pot from it are It is meant to draw a picture within the scope.

At this time, as long as the ring of the picture is within the above range, the inside of the picture may be completely filled in without filling out the grid one by one. This is because the reading is performed by sampling every single reporter grid, and this will be explained in detail later. Furthermore, the horizontal line of the function mark entry field 1f is on the same line as the horizontal line of the knitting pattern entry field 1p, and its vertical line is parallel to the vertical line of the knitting pattern entry field 1p (7), and the function mark The number of rows (vertical arrangement) of the reporter grid in the entry field 1f are on the same line as those in the knitting pattern entry field 1p, and there are the same number of rows (horizontal arrangement).
It is 4 compared to 4.

The function mark entry field 1f is used to mark (for example, fill in black) any mark grid when performing a required function operation. (vertical arrangement), the leftmost column is for programming the forward direction of card 1, and the column to the right is for programming the reverse direction of card 1, Furthermore, the other two columns are used to program necessary functional operations other than card feeding, such as thread exchange and start and end of needle selection operations.

Further, in this example, each of the feed control marks 34 displayed in advance on the left edge is positioned on the extension line of the horizontal center line of each row of the reporter grid in the knitting pattern entry field 1p. As will be described later, the card 1 is automatically advanced to each stage of the reporter's grid. Furthermore, in addition to the three types of displays mentioned above, card 1 also has a selection unit number setting field 1s for programming the number of needle selection units in the same color below the knitting pattern entry field 1p. It is displayed in advance.

In this setting field 1s, a required number of independent rectangular grids 35 are arranged horizontally at regular intervals.
The grids are displayed in rows, and each grid is unique for setting a fixed number of needle selection units, and the number of units set is different from each other. The set number of units increases in a predetermined base number, and a number representing the number of needle selection units is displayed in advance in the same color at the bottom of each reporter grid 35.

In this example, the number of reporter grids 35 is six in total, and the one on the left is the needle selection unit number R6J, which is expressed as Rl2, l8, 24, 3O, and 36J in hexadecimal. Therefore, this needle selection unit number setting field 1s is also the same as that of the scanning member b.
The number of needle selection units is determined by which of the marking grids 35 are to be marked. For example, when knitting a unit pattern using one pot of knitting needles, the reporter grid 35 labeled Rl2J is filled in black. Further, a search mark 36 is preliminarily displayed on the card 1 so that only the setting field 1s can be effectively read in the electrical signal processing process after reading by the scanning sensor c, as will be described later.

This mark 36 is composed of, for example, a horizontally long black band having the same vertical width as the vertical width of the marker grid 35 in the setting field 1s, and its position on the card 1 is in the direction in which the marker grid 35 is arranged. On the extension line and the feed control mark 34...
..., but its width is longer to the right than that of the feed control mark 34..., and it is located directly below the feed control mark 34... and the blank space between the feed control mark 34... and the knitting pattern entry field 1p. The length includes the width.

Then, when the card 1 is loaded on the left and right sprocket belts 81 and 8r as described above, and the scanning member b is at the original position (left stroke end),
A predetermined position within the length range of the feed control mark 34 is read by a scanning sensor c, and the scanning member b is automatically transferred according to the feed control mark 34 only when it is in the original position. The card 1 also has the scanning member b in the inverted position (
When the stroke end on the right side is reached, the register grid row on the right side of the function mark entry field 1f can be read, and the range between these reading positions is the same as when the scanning member b is traveling. It is meant to be read.

Therefore, the card 1 is created by scanning the needle selection unit number setting column 1s with the scanning sensor c of the scanning member b before starting the knitting operation, and then repeating automatic step-by-step feeding with the knitting operation. Then, the knitting pattern entry field 1p and the function mark entry field 1f are scanned for each row by the same scanning sensor c, and such scanning is performed by the scanning member b in both forward and backward movements as described above. Although the electrical signals associated with the scanning of both the forward and backward strokes are received during the stroke, only those associated with the forward (rightward) stroke of the scanning member b are effectively extracted, as will be described later. It is.

By the way, as mentioned above, in the knitting pattern entry field 1p,
The knitting pattern representing the unit pattern to be knitted is drawn in a peta, and the scanning sensor c of the scanning member b scans this in a horizontal straight line for each row of the Kijin grid. The electrical signal related to step scanning is the first
As shown in Figure 3 (example when card 1 is scanned along the P2-P consideration in the same figure), the configuration of the knitting pattern in one row of the reporter grid, that is, the one horizontal scanning mode of the knitting pattern. If this is all that is needed, the electrical signal obtained by scanning may or may not correspond one-to-one to the knitting needle to be selected, and the function mark entry field 1f may not correspond to the knitting needle to be selected. The entered function mark is also read by the scanning sensor c in the same way as the knitting pattern, and becomes an electrical signal in the same electrical system as in that case, and the search mark 36 that is displayed in advance is also the same. These three types of electrical signals are separated from each other, and the electrical signals related to reading the knitting pattern correspond to the knitting needles in a one-to-one relationship. is converted into a digital electrical signal,
In addition, the electrical signals related to reading the function mark are separated for each reporter grid row (vertical arrangement) in the function mark entry field 1f. will be explained with reference to FIGS. 2 and 3.

The frame 7 is located behind the traveling body 29 of the scanning member b.
The horizontally long plate-shaped linear encoder 37 is connected to the guide rod 27.
, 28, and is suspended horizontally.

In order to sample only the search mark 36 on the card 1, the linear encoder 37 operates at a position corresponding to a blank space between the feed control mark 34... and the knitting pattern entry field 1p on the card 1. 1
A predetermined number (12 in this example) of knitting pattern sampling slits are provided for sampling the knitting patterns drawn in the knitting pattern entry field 1p on the right side. Slit 38p... Knitting pattern entry column 1p
From the position corresponding to the register grid row at the left edge of , the grid rows are arranged in a straight line to the right at regular intervals to a predetermined position beyond the right edge of the entry field 1p, and further to the right, the function A predetermined number (four in this example) of function mark sampling slits 38f for sampling marks are made to correspond in a one-to-one relationship to each writer grid row in the function mark entry field 1f. It has been drilled.

On the other hand, on the rear side of the traveling body 29 of the scanning member b, there is a photoelectric sensor, that is, a linear encoder 3 for optically reading the three types of slits 38s, 38p, and 38f.
The sun consists of a light emitting body that illuminates the front surface of the light source 7 and a light receiving element that receives the reflected light. A pull sensor d is installed.

As the scanning member b travels, the sampling sensors d are scanned through the slits 38s, 38p, . . . , 38f.
It outputs a pulse, that is, a sampling pulse according to..., and the sampling pulse is similar to the electrical signal related to the scanning of the scanning sensor c mentioned above, and the sampling pulse is the same as the electrical signal related to the scanning of the scanning member b as described later. Of both the reciprocating strokes, only those related to the outbound stroke are extracted as valid ones as shown in FIG. 1 sampling pulse for sampling and 12? for sampling the knitting pattern. The four sampling pulses for sampling the function mark are separated from each other.

By the way, when sampling knitting patterns,
For this purpose, the number of slits 38p was set to 120 to obtain 1 additional sampling pulses, in addition to the above-mentioned card 1 in which the number of rows (horizontal arrangement) of the reporter grid in the knitting pattern entry field 1p was set to R36j. This is to make it possible to apply the card having the number of rows Rl2OJ (FIG. 23), as will be described later.

Therefore, regarding card 1 with the above column number 36,
Three slits 38p correspond to each reporter lattice in the knitting pattern entry field 1p, and each reporter lattice 1
Three sampling pulses are obtained for each scan, but as will be described later, when organizing the card 1 with the number of rows of 136J, the above three sampling pulses are obtained as shown in Figure 13 Two of the sampling pulses are removed, and the remaining one sampling pulse samples the electrical signal related to the scanning of one reporter grid.

In this way, the electrical signals related to one-stage scanning of the knitting pattern entry field 1p are sampled for each reporter grid, and
As shown in Fig. The digital electrical signals are sequentially stored in a predetermined memory from left to right, as will be described later.

Then, the stored digital electrical signal is transferred to the carriage Y.
It is sequentially and repeatedly read out in accordance with the running timing of the carriage Y (7), and one of the pair of left and right knitting needle selection mechanisms (this configuration will be explained later) installed on the back side of the carriage Y (7) is to be operated effectively. It is now being supplied to The reading device A is mechanically configured as described above. Next, the mechanical structure of the carriage Y side will be explained with reference to FIGS. 3 and 8 to 10.

As mentioned above, the main hand knitting machine automatically starts running the scanning member b by reversing the left-right travel of the carriage Y, and for this purpose, it is necessary to automatically detect the reversal of the left-right travel of the carriage Y. In addition, the effective scanning of the knitting pattern by the scanning sensor c of the scanning member b is performed only for the outgoing process, and the digital electrical signals related to the scanning are temporarily stored in the memory sequentially from left to right. On the other hand, the actual needle selection operation, which is performed by reading out the digital electrical signals stored in the memory, is carried out both in the reciprocating direction of the carriage Y and as the left and right knitting needle selection mechanisms alternately operate in accordance with the traveling direction of the carriage Y. In order to knit the knitting pattern according to the knitting pattern drawn on card 1, the traveling direction of the carriage Y is detected, and the detected signal is used to store and read the digital electrical signal in the memory. It is necessary to control the start and start. Therefore, the carriage Y is designed as shown in Fig. 8 (the right half of the carriage Y shows the top surface of the base plate with the top cover removed, and the left half shows the back surface) and Fig. 9. A carriage reversal switch mechanism E is installed at the center of the rear edge, and this will be explained first.

A horizontally rectangular sheath frame 39 is fixed on the base plate 4 of the carriage Y, and a switch actuator 40 is fitted therein so as to be able to slide back and forth within a predetermined length range.

The switch actuator 40 is made into a single plate-like unit by sandwiching a connecting piece 41 having a T-shaped cross section and a magnet piece 42, which slide on the upper surface of the sheath frame 39, between two front and rear magnetic plates 431, 432. The lower ends of the two magnetic plates 431432 pass through a horizontally long hole 4'' provided in the base plate 4 and a horizontally long hole 44'' provided in the slide vibe 44 fixed to the base plate 4. The lower end surfaces of the magnetic plates 431 and 432 are always attracted to a carriage guide bar 45 made of a magnetic material and placed horizontally on the needle bed X.

On the other hand, a microswitch e having three switch parts e1 to E3 inside is fixed on the rear side of the sheath frame 39, and a lever e'' of the switch e is installed on the rear wall of the sheath frame 39. The magnetic plate 43 on the rear side passes through the window hole 39''. hole 4
It is attached to 3″.

Therefore, the switch actuator 40 is fitted into the sheath frame 39 so as to be able to slide freely within a predetermined range on the left and right, and because it is adsorbed to the carriage guide bar 45, the switch actuator 40 When the carriage Y is moved to the left, it is slid to the right sliding limit position with respect to the sheath frame 39 and then moved together with it, and when the carriage Y is moved to the right, contrary to the above, it is moved to the left sliding limit position. The lever e'' of the microswitch e is switched to the left or right by the left/right switching operation of the switch actuator 40, and the switch e operates to switch one of them. 16■ or 18 from the switch part e1 for detecting the carriage running direction.
As shown in Figure (3), by reversing the running of the carriage Y, a binary electric signal is obtained that inverts from RH to RLJ or vice versa. Next, regarding the left and right knitting needle selection mechanisms Fl and Fr that finally carry out the front and rear needle selection of the knitting needles N, the third
Referring to Figures 8 and 10, both have substantially the same structure, although the arrangement of component parts is symmetrical.

The electromagnet 46 is installed on the carriage base plate 4, and
The upper and lower magnetic poles each have a single piece integrally molded with magnetic material.
One ends of the pair of magnetic conductors 47 and 48 are joined from above and below, respectively, so that different magnetic poles are excited in both magnetic conductors 47 and 48.

On the other hand, a pad guide 49 made of a non-magnetic material is fixed to the lower surface of the carriage base plate 4.

This pad/guide body 49 has a left and right long pad passage 491 formed on its lower surface, and is configured so that the pad N'' of the knitting needle N set at the needle selection receiving position can be received in the pad passage 491 through the side cam 50. The front and back width of this pad passage 491 is almost the same as that of pad N'', and its upper wall surface is such that the outer half 492 on the outside faces inward as seen from the carriage Y, as shown in FIG. With the descending tapered surface, the inner half 493 is a horizontal surface slightly lower than the steady height of pad N''.

Therefore, in the process of passing through this pad passage 491, the pad N'' is in the outer half portion 49.

From the middle, the plate is gradually pushed down against the spring 51 (FIG. 3), comes into pressure contact with it at the inner half 493, and passes through the pad passage 491 in a tight fit state. With respect to the pad guide body 49 having such a structure, the one magnetic conductive body 47 has the outer end of the horizontal portion below the carriage base plate 4 embedded in the thickness of the pad guide body 49 from the front side. , a part of it is paved passageway 491
The lower surface of the horizontal portion facing the inner end of the pad passage 491 is a continuous surface that is flush with the inner half 493 of the upper wall surface of the pad passage 491.

Further, the other magnetic conductor 48 has a notch 481 extending halfway from the upper side in a vertical portion below the carriage base plate 4, and an outer vertical portion 482 on the outside of the notch 481 is provided with a notch 481 from the electromagnet 46. Although the magnetism acts on the inner vertical part 483, it hardly acts on the inner vertical part 483.

The magnetic conductor 48 is attached to the pad passage 491 with its outer vertical portion 482 along the rear wall surface of the pad passage 491.
Its outer vertical portion 48 faces inward.

The vertical front surface from the inner vertical portion 483 is a surface that slopes rearward inward from the inner end (putt outlet) of the putt passage 491, as shown in FIG. Also, the outer vertical portion 48 of the magnetic conductor 48 .

The left and right width of t is slightly shorter than the row pitch of knitting needles N.
The pad N'' passing through the pad passage 491 has its rear surface pressed against the vertical front surface of the outer vertical portion 482 during its width t, and its head end pressed against the horizontal lower surface of the other magnetic conductor 47. Furthermore, between the front surface of the inner vertical portion 483 of the magnetic conductor 48 and the rear end edge of the horizontal portion of the magnetic conductive body 47, there is a gap passage 51 (a gap passage 51 inclined rearward enough to accommodate the pad N''). Figure 8) is formed. Thus, the knitting needles N with pads N'' inserted into the pad passage 491 are selected in the following manner.

As the carriage Y travels, the pad N'' that has entered the pad passage 491 is gradually pushed down with its back and forth movement restrained, and its head end is brought into pressure contact with the horizontal lower surface of one of the magnetic conductors 47, and the The rear side surface is brought into pressure contact with the vertical front surface of the other magnetic conductor 48 while passing through the width t.

If the electromagnet 46 is in an excited state during this width t, that is, while the carriage Y is traveling for one pitch of knitting needles, the magnetic conductor 47
and the outer vertical portion 48 of the magnetic conductor 48.

By exciting different magnetic poles in each, a kind of magnetic path is formed between them via the pad N'', and since the outer vertical portion 482 of the magnetic conductor 48 is inclined backward, the pad N'' ″ is its outer vertical portion 48. It is slightly attracted and biased backward along the magnetic conductor 47, enters the gap passage 51 from the horizontal lower surface of the magnetic conductor 47, reaches behind the horizontal portion of the magnetic conductor 47, and immediately rises to a normal height. The pad N'' that has entered this gap passage 51 is connected to the rising part of the magnetic conductor 47 and the magnetic conductor 48 on the carriage base plate 4.
The inner vertical portion 48 of. By disposing the magnet piece 52 between the rising part extending from the (portion not subjected to the magnetic action of the electromagnet 46), the magnet piece 52 is further attracted and biased to the rear, and further advances to the back surface of the carriage Y. It is designed to pass through a rear guide passage formed by a group of cams arranged in the rear direction. on the other hand,
When the electromagnet 46 is in a de-energized state, the pad N'' is not attracted to the outer vertical portion 482 of the magnetic conductor 48, so that
The pad passage 4 remains pressed down by the horizontal part of the magnetic conductor 47.
After passing 91, it continues straight ahead, rises to a steady height beyond the inner edge of the horizontal part, and then passes through a forward guide path different from that in the case of excitation.

The left and right knitting needle sorting mechanisms Fl and Fr should be effectively operated by switching the electromagnet switching switch section E2 in the microswitch e of the carriage reversing switch mechanism E according to the traveling direction of the carriage Y. Only one electromagnet 46 (in this example, the one on the front side in the direction of movement of the carriage Y) is supplied with power for the needle selection operation. The left and right knitting needle selection mechanisms Fl, Fr have the above-mentioned configuration, and the pad N is placed in the pad passage 491.
The knitting needle N into which the
The needles are sorted one by one by the sorting mechanism F1 or Fr on the front side in the direction of movement, but even with the inserted knitting needles N, it activates the needle selection range setting switch, which is the left and right point setting means mentioned above. If it is located outside the range of the pieces 31 and 3r, the electromagnet 46 will not receive any excitation command and will remain in a non-excited state, so that it will not be subjected to the above-mentioned sorting action by the electromagnet 46. This configuration will now be described with reference to FIGS. 8 and 9.

The left and right switch activation pieces 31 and 3r both have a cam groove 31 running left and right on their upper surfaces, and a needle groove!
A plurality of protrusions 32 that are fitted from above are formed protrudingly on the front end of the lower surface, and a plurality of pad engagement grooves 33 are formed on the front side surface that can tightly receive the pads N'' of the knitting needles N,
Both have protrusions 3.

into the needle groove j (7) 8 end, and then insert the pad insertion groove 33.
By inserting the pad N'' into the needle bed, the needle can be placed at any position on the needle bed X without moving left or right. That is, in the left switch activation piece 31, the front and rear cam portions 34 and 35 forming the front and rear side walls of the cam groove 31 are arranged in such a manner that the front side is on the right and the rear side is on the left. On the other hand, the switch activation pieces 3r on the right side have the opposite relationship to the above.On the other hand, the switch activation pieces 31, 3r are placed on the base plate 4 of the carriage Y as the carriage Y travels. The left and right switch mechanisms Cl and Gr are equipped with a needle selection edge detection switch mechanism Gl and Gr, which are a pair of left and right point detection means that switch when engaged with the left and right switch mechanisms Cl and Gr. Although symmetrical, they are essentially the same structure.

The crank 53 is connected to the carriage base plate 4 by a pivot 54.
A protrusion 55 is provided on the lower surface of the carriage base plate 4 to project downwardly through the window hole 4'' of the carriage base plate 4. Place the part on the base plate 4
It is connected to the lever of a microswitch 56 mounted above, and as the carriage Y travels, the protrusion 55 passes through the cam groove 31 of the left or right switch activation pieces 31, 3r, causing the crank 53 to rotate. The microswitch 56 is operated by the microswitch 56. That is, the microswitches 56 of the left and right switch mechanisms Gl and Gr,
56 are both turned on when the corresponding protrusions 55, 55 are both within the interval between the left and right switch activation pieces 31, 3r, and are turned off when they are outside this interval. The left and right protrusions 55, 55 are respectively located at the sorting points of the left and right knitting needle sorting mechanisms Fl, Fr, that is, on the rear extension line of the t-width portion, and the left and right switch mechanisms Gl, In Gr, the selection points of the left and right knitting needle selection mechanisms Fl and Fr are needle beds x
When the upper switch activation pieces 31 and 3r reach the installation positions, the switches operate, and the switches are activated as shown in Fig. 18 ■ and ■, respectively.
As shown in RH! The electric signals from both switch mechanisms Gl and Gr are outputted from RLJ or vice versa, and the electric signals from both switch mechanisms Gl and Gr are used to indicate the effective needle selection range in the microswitch e of the carriage reversal switch mechanism E. By means of the switch section E3, only the one on the side where the effective needle selection operation is performed is taken out.

Therefore, as shown in Fig. 18 (■), the effective needle selection range indicating switch section E3 is configured to detect the effective needle selection range from when the needle selection end detection switch mechanism G1 or Gr on the side that performs the effective needle selection operation is turned on until it is turned off. In other words, while the needle selection point of the knitting needle selection mechanism F1 or Fr on the front side in the traveling direction of the carriage Y is within the interval between the left and right switch activation pieces 31 and 3r, a signal RHJ indicating the effective needle selection range is output. , outputs the signal 1LJ when the interval is outside the above interval range.During the above 1H output, the aforementioned memory storing digital electrical signals related to the knitting pattern is read out, and the effective needle selection operation is performed only during that time. The electromagnet 46 on the side that is to be energized is controlled to be energized or de-energized.

In this way, reading of the memory is performed only within the effective needle selection range determined by the left and right switch activation pieces 31, 3r, but this reading is performed because the traveling speed of the carriage Y is not constant and varies greatly. , must be done in accordance with the travel timing of the carriage Y.

Therefore, photoelectric sensors Hl and Hr are attached to the carriage Y at the rear end of the base plate 4 at positions corresponding to the left and right knitting needle sorting mechanisms Fl and Fr, respectively. However, on the rising wall X1 at the rear end of the needle bed X, there is a needle. By reading the slits X3, which are arranged in a one-to-one relationship as a linear encoder, as the carriage Y moves, the photoelectric sensors Hl and Hr 18
As shown in Fig. 1, a pulse, that is, a timing pulse, is output in accordance with the timing of the carriage Y travel, and this timing pulse controls the reading of the memory mentioned above. The photoelectric sensor 1 (1, Hr will be referred to as a timing pulse generator).

The pulses from the left and right timing pulse generators Hl and Hr are taken out as valid only by the carriage reversing switch mechanism E that corresponds to the needle selection mechanism F1 or Fr on the side that performs the effective needle selection operation. It's starting to become easier.

The mechanical configuration of the hand knitting machine is as described above, and next, its electrical and electronic configuration will be explained.

First, an outline of the configuration of an input function section that scans and feeds the card 1 and stores the read knitting pattern in the memory MEM as a digital electrical signal will be explained with reference to FIG.

The electric signal related to the card scanning of the scanning sensor c is transmitted to the scanning member b by the effective scanning data forming circuit C.
Only those related to the rightward stroke from the original position, which is the left stroke end, to the reversal position, which is the right stroke end, are taken out as valid, and the card feed and scan instruction circuit CS, the needle selection unit number setting circuit NS1, the memory control circuit MCl The signal is input to the function discrimination circuit FS.

The card feeding and scanning instruction circuit CS is configured to receive an electric signal when the left limit switch 331, which is the scanning member original position detection means, is turned on.
The instruction circuit CS outputs the electric signal from the effective scanning data forming circuit C to RHJ only when the scanning member b is in the original position.
or RLJ, that is, whether the display on card 1 is a mark or no mark. This circuit supplies an electric signal according to the result of the card feeding and scanning control circuit SC, and thereby the control circuit SC controls the card feeding drive circuit CD according to the above marks and no marks, and performs card feeding. The electromagnet 16 or 16'' is driven, whereby the card 1 is automatically transferred by the interval of the search mark 36, feed control mark 34, etc. displayed on it.

Further, the instruction circuit CS is configured to receive an electric signal representing the effective needle selection range from the effective needle selection range instruction switch section E3, and the instruction circuit CS
When the needle enters the range from outside the effective needle selection range divided by the left and right switch activation pieces 31 and 3r, an instruction signal for starting the movement of the scanning member b is input to the control circuit μSC. In addition, the control circuit SC includes the right limit switch 33 serving as a scanning member reversal position detection means.
An electric signal is inputted when the switch is turned on, and the control circuit SC controls the scanning member drive circuit SD, thereby causing the drive circuit SD to control the coil 31 of the scanning member b. The scanning member b can reciprocate at once and supply sufficient current.

On the other hand, among the sampling pulses related to the linear encoder reading of the sampling sensor d, only those related to right row scanning are extracted by the effective sampling pulse forming circuit D as valid ones, and are inputted to the pulse separation circuit PS. Search mark 36 on card 1 by
The pulse for sampling the knitting pattern, the pulse for sampling the knitting pattern, and the pulse for sampling the function mark are separated from each other, and here the pulse for sampling the knitting pattern (1 (a) in total) is separated from each other. As mentioned above, when using card 1 in which the number of columns of the reporter grid in the knitting pattern entry field 1p is R36, two pulses are thinned out for each reporter grid, and the remaining pulses are In the write address designation circuit WA and the memory control circuit MC,
Further, one pulse for sampling the search mark 36 is input to the needle selection unit number setting circuit NS, and four pulses for sampling the function mark are input to the function discrimination circuit FS. It's becoming like that. Above needle selection unit number setting circuit NS
, samples the electric signal related to the reading of the search mark 36 from the effective scanning data forming circuit C by the inputted one pulse, thereby sampling the mark in the needle selection unit number setting column 1s. The setting circuit NS is configured to give instructions for electrically presetting the number of needle selection units, and the setting circuit NS is connected to the pulse separation circuit P.
The pulse before thinning is input from S for sampling the knitting pattern, and at which pulse, the effective scanning zeta forming circuit C generates an electrical signal related to reading the mark in the needle selection unit number setting column 1s. Depending on whether the number of needle selection units is input, the number of needle selection units programmed in the number of needle selection units setting column 1s is stored using a digital electrical signal, that is, the number of needle selection units is electrically preset. Then, the needle selection unit number setting circuit NS determines whether or not to thin out the pulses for sampling the knitting pattern and how many pulses to thin out in accordance with the stored number of needle selection units. For example, when the number of needle selection units is between R6J and R36J, the pulse separation circuit PS is controlled to thin out two needles at a time as described above. Upon receiving the instruction to electrically preset the number of needle selection units as described above, the NS controls the card feeding and scanning instruction circuit CS and the card feeding and scanning control circuit SC, so that the scanning member b is set in the needle selection unit. After scanning the number setting field 1s once and returning to the original position, the card 1 is automatically scanned until the scanning member b reads the lowest mark among the feed control marks 34. It is designed to function as a transport.

The write address designation circuit WA includes a binary counter that counts the pulses inputted from the pulse separation circuit PS as described above, and writes a parallel binary electrical signal in accordance with the counting result to the memory control circuit MC as an address designation signal. It is now entered as .

The memory control circuit MC samples the electrical signal related to the scanning of the knitting pattern from the effective scanning data forming circuit C using the pulse from the pulse separation circuit PS as described above, and samples the electrical signal related to the scanning of the knitting pattern from the effective scanning data forming circuit C, and divides it into one knitting needle and each bit. is converted into a corresponding digital electric signal (see FIG. 13 In addition, an electrical signal corresponding to the carriage running direction from the carriage running direction detection switch part e1 is used to separate the left-hand scanning of the carriage Y and the right-hand scanning into separate storage parts. In other words, the information is stored separately in two storage units.

The function discrimination circuit FS uses the four pulses inputted from the pulse separation circuit PS as described above to
The electric signal related to function mark scanning from the effective scanning data forming circuit C is entered in the function mark entry field 1f.
Samples are taken for each reporter grid row, and the sampling of the two columns on the left side of the reporter grid row is input to the card feeding and scanning control circuit SC, and the card 1 is sent to it in the forward direction or in the reverse direction. In addition, the sampling related to the two rows on the right side is input to the function drive circuit FD, which controls necessary function operations such as thread exchange operation. ing. Further, the card feeding and scanning instruction circuit CS, control recirculation βC, and memory control circuit MC operate manual operation means, that is, a clear button CB provided on the operation panel 2 (FIG. 1) of the control box B. By operating the button, it is possible to manually control the card 1, and by operating the button, the card 1 can be transferred by one step in the direction opposite to the direction of transfer before the button operation, and the data currently stored in the memory MEM can be cleared. It is designed to be convenient for re-knitting in case of incorrect knitting.

Further, the card feeding and scanning control circuit SC is controlled by operating another manual operating means, that is, a stop button SB, which is also provided on the operation panel 2, and the card 1 is transferred by operating the stop button SB. It is made so that it can be stopped. Furthermore, when performing a special formation, by operating the special function button w also provided on the operation panel 2, the card feeding and scanning instruction circuit CS is controlled, and card feeding and scanning perform special operations. I'm starting to be able to do it.

Next, the specific configuration of the effective scanning data forming circuit C1 effective sampling pulse forming circuit D1 pulse separating circuit PS1 needle selection unit number setting circuit NS and function discrimination circuit FS will be explained with reference to FIGS. 12 and 13. R-
The S flip-flop 60 is set by the left limit switch 331, which is a scanning member original position detection means, and reset by the right limit switch 33r, which is a scanning member reversal position detection means, so that the scanning member b is moved from its original position. The AND gates 61c and 61d are opened only during the forward stroke of traveling to the reversal position, and only during this time the output signal of the scanning sensor c and the output signal of the sampling sensor d are transmitted to the effective scanning data forming circuit C. , are outputted from AND gates 61c and 61d as output signals of effective sampling pulse forming circuit D (see FIG. 13).

As shown in FIG. An R-S flip-flop 62 for separating the sampling pulses is set when the scanning member b moves away from the original position, and the R-S flip-flop 62 separates the first pulse from the effective sampling pulse forming circuit D (the search mark 36 It is reset by the falling edge of the sampling pulse).

The output from this flip-flop 62 opens the AND gate 63 which receives the pulse from the effective sampling pulse forming circuit D, and as a result, the AND gate 63 has a Pulses other than the pulses for sampling the search mark 36, that is, the pulses for sampling the knitting pattern and the pulses for sampling the function mark, are output.

On the other hand, the Q output of the flip-flop 62 is added to the AND 64, which is the Q output of the flip-flop 62.
When the output, the output of the effective scanning data forming circuit C, and the output of the effective sampling pulse forming circuit D are both RHJ, that is, the scanning sensor c detects the search mark 36 on the card 1 and the needle selection unit number setting field 1s. When performing cross-scanning (scanning along the P1-P1 line in FIG. 13, V in the same figure is the output waveform of the effective scanning data forming circuit C at that time), the sampling sensor d is connected to the search mark sampling strip of the linear encoder 37.・Lift 38s
When detected, one pulse is output as shown in (■).

Therefore, this pulse output from AND64 is
This indicates that the search mark 36 has been detected. The output of this AND64 (actually it is the knot 64″
R-S flip-flop 6 for storing that the search mark 36 has been detected.
5 is now set.

This flip-flop 65 is reset by the output of AND66. AND66 has flip-flop 6
5, the O output of the flip-flop 62, the output of the effective scanning data forming circuit C, and the output of the effective sampling pulse forming circuit D.
6, these outputs are shown in Figure 13 as ■,■,■,■
As is clear from the above, when all the marks are RHJ, that is, after the search mark 36 is detected as described above, when the mark placed in the needle selection unit number setting field 1s is detected, ■ As shown in FIG. 2, one pulse is output, and the flip-flop 65 is reset by this pulse.

Therefore, the flip-flop 65 stores the detection of the search mark 36 as shown in (3) only until the mark in the needle selection unit number setting column 1s is detected.

In addition, the above-mentioned one pulse also controls the above-mentioned card feeding and scanning instruction circuit CS and the same control circuit SC as will be described later. On the other hand, the pulse (■) from the AND gate 63 from which the pulse for sampling the search mark 36 has been removed as described above is processed by a hexadecimal-binary counter 67, more specifically, a hexadecimal counter that directly counts the pulse (■). Counting is performed by a counter consisting of a binary counter that converts the count value of this hexadecimal counter into a binary number, and the count value of the counter 67 increments by one every time six pulses ■ are counted. There is.

The count value of this counter 67 is the output of the AND 66 above
When the mark in the needle selection unit number setting field 1s is detected by the gate network 68 which uses .

This memory 69 is reset at the rising edge of the output (2) of the flip-flop 65, that is, at the time of sampling the search mark 36.

Further, the count output of the counter 67 is
The signal is inputted to a gate network 70 which discriminates whether the number of pulses 3 from 3 is within 120 or 121 or more.

This gate network 70 performs the above discrimination on the parallel output from the counter 67 using a logic circuit formed by a combination of gates, and if it is within the above 120, Rl
．． An output is generated from the output terminal of R1 to open the AND gate 711, and if Rl2lJ or more, an output is generated from the output terminal of R'2 to open the AND gate 712. Therefore, the AND gate 711 requires 12? for sampling the knitting pattern as shown in M. The AND gate 712 outputs four pulses for sampling the function mark as shown in (3).

The 12C@ pulse from the AND gate 711 is input to a pulse selection circuit 72, where it is divided into three types of pulses.

That is, the pulse selection circuit 72 has its RL output system as shown in X■ above. The output system of R2 includes a T-type flip-flop and an AND gate connected to this output side, and as shown in The even numbered ones are thinned out and the rest are output, and the output system of R3J includes a ternary counter and an AND gate connected to this output side.
As shown in V, the 3n-1 (where n is an integer) pulse is left out of the 1 nod pulses and the others are thinned out. On the other hand, as mentioned above, the output of the memory 69 storing the number of needle selection units programmed in the number of needle selection units setting field 1s in the card 1 is output from the pulse selection circuit 72.
It is input to the gate network 73 for selecting which of the three types of pulses outputted from the above is actually used as a sampling pulse, and if the number of needle selection units is between 6 and 36, the gate network 73 An output is generated from the output system of R3J, the AND gate 743 is opened, and the x■ pulse of the above three types of pulses passes through the OR 75.
Also, if it is between 42 and 60, an output will be generated from the output system of 12, the AND gate 742 will open, and the pulse of x will pass through the OR 75, and
If between 01. An output is generated from the output system of , the AND gate 741 opens, and the pulse of X■ passes through the OR 75.

In this way, the sampling pulses for sampling knitting patterns are divided into three types, and the pulses are selectively extracted depending on the number of needle selection units. As shown, the number of grid rows in the knitting pattern entry field 1p is 36, and the number of needle selection units is 6, 12, 18, 24, 3.
In addition to cards that can be selected as 0 and 36, as shown in Figure 22, there are cards that have the number of grid rows of 60 and the number of needle selection units of 42,
48, 54, and 60 cards, and as shown in Figure 23, the number of grid rows is 120 and the number of needle selection units is 66.
,72,78,84,90,96,102,108,1
There are 14 and 120 selectable cards, a total of three cards, which can be used depending on the number of needle selection units.

Incidentally, when the card 1 shown in FIG. 2 is used, the pulses output from the OR 75 are the total number of pulses shown in FIG. is input to the memory control circuit MC and the write address designation circuit WA, and thereby the output of the effective scanning data forming circuit C (the scanning sensor c
In Figure 13, card 1 is P2-P? The output when scanning along the knitting pattern entry field 1p is shown in ■), and the output related to the scanning of the knitting pattern entry field 1p is a digital signal corresponding to the knitting needles in a one-to-one relationship as shown in X■. After being converted into an electrical signal, the memory MEM is
The information is stored sequentially at a predetermined address.

The storage of digital electrical signals in the memory MEM is performed for all signals from the left edge to the right edge of the one-level register grid in the knitting pattern entry field 1p as described above, but the readout is performed only when the selection is made. This is repeated only for the number of needle selection units set in the J needle unit number setting field 1s. The output is converted into a binary number by a code converter 76 and is input to a read address designation circuit RA, which will be described later. On the other hand, the AND gate 71.

The four pulses (2) for function mark sampling outputted from the pulse generator 1 are separated from each other by a pulse discrimination circuit 77 composed of a gate group. That is, the above-mentioned four pulses are counted by the counter 78, and the decoder 79 outputs signals from the output systems r1 to R4, respectively, as shown in x■ and X■ according to the number of pulses. The pulse discrimination circuit 77 generates an output.
The gates in the pulse discriminator circuit 77 are opened, so that the output systems 0 to 14 of the pulse discrimination circuit 77 sequentially produce outputs in accordance with the order of the pulses as shown at XX and XXI. The four pulses separated by the pulse discrimination circuit 77 are input to a function memory circuit 80 composed of a D-type flip-flop, etc., where the sampling of the output (2) from the effective scanning data forming circuit C is This is performed for each reporter grid row in the function mark entry field 1f, and the sampled data is stored separately for each reporter grid row as shown in XX■.

RL-14 of this function storage circuit 80
Of the four output systems, the outputs of r1 and ``2J are as follows.
After this, the output of RlJ is inputted to the aforementioned card feeding and scanning control circuit SC, which will be explained in detail later, to control the forward feeding of card 1, and the output of R2. The output of J is designed to control reverse direction feed, and the output of R3 and R4! are input to the aforementioned function drive circuit FD, and are adapted to control required function operations other than card feeding. Next, the specific configuration of the card feeding and scanning instruction circuit CS and the control circuit SC will be explained with reference to FIGS. 14 to 16. The above-mentioned clear button CB is used not only in case of incorrect organization as mentioned above, but also as a kind of start button to start the organization by card 1. First, before explaining the operations caused by these operations, an outline of how to use the hand knitting machine will be explained.

When the carriage is operated in the usual manner to perform necessary knitting such as waste knitting, and when the pattern is about to be added, the carriage Y is set at the needle selection receiving position on the needle bed X. It is stopped outside either the left or right end. In this state, the card 1 is fed manually, that is, by turning the ratchet wheel 14 by hand, so that the upper and lower middle portions of the search mark 36 face the scanning sensor c of the scanning member b in the original position. Set it where you want it.

After that, when the clear button CB is pressed, the card 1 is transferred by one pitch in the forward direction or in the reverse direction (the direction at this time is not determined as will be described later), and then the scanning member b is moved to, for example, the 13th P1-P1 shown in the diagram
After the card 1 travels along the line and the number of needle selection units is set as described above during the forward movement, forward transport of the card 1 is restarted upon completion of the backward movement. This transfer continues intermittently until the lowermost feed control mark 34 is detected by the scanning sensor c, and upon that detection, it is stopped and the scanning member b is immediately moved as shown in FIG. 13, P2. -P? When the robot travels back and forth along the same path and returns to the original position, the series of operations performed by operating the clear button CB ends. After this, perform the work necessary for pattern knitting, such as inserting the desired colored thread into the thread opening of the carriage Y, and then move the carriage Y to the left and right switch activation pieces 31, 3r installed on the needle bed X. If the card 1 is repeatedly run back and forth until it crosses the line, the card 1 can be fed one row at a time and knit a pattern according to the knitting pattern drawn on it. Now, when you operate Clear Hotan CB,
The accompanying signal (FIG. 15 1) is inverted at knot 81, passes through OR 82, is inverted again at knot 8'', and is output as a card feeding and scanning instruction signal from the card feeding and scanning instruction circuit CS. An R-S flip-flop 83 for instructing card feeding and an R-S flip-flop 84 for instructing scanning member forward movement in the control circuit C are set.

By setting the flip-flop 83, the Q output ■ is
It is applied to a card feed drive control circuit 86 consisting of a gate network through an AND 85, and one of the output terminals of R1 on the forward sending side or R2J on the reverse sending side of this control circuit 86, for example, R2J. One pulse shown in ■ is generated from the output terminal of the card drive circuit CD, and one of the pair of electromagnets 16 and 16'' for card feeding is operated. , the card 1 is adapted to be transported either in the forward direction or in the reverse direction.

This transfer is performed by the search mark 3 on card 1 as described above.
When the upper and lower intermediate portions of the scanning member b are opposed to the scanning sensor c of the scanning member b, scanning is performed by one predetermined pitch. That is, the card feed drive control circuit 86 drives the card feed drive circuit CD using an output pulse from a timer 87 that determines the amount of feed for one pitch of the card 1, and the output pulse is of a D type. The signal is input to the T terminal of the flip-flop 88, and the flip-flop 83 is reset by the rise of the O output (2) of the flip-flop 88.

Further, the output of the effective scanning data forming circuit C is input to the D terminal of the D-type flip-flop 88, and the flip-flop is connected to the right-hand limit serving as the scanning member reversal position detection means. switch 33r
Further, the timer 87 includes an oscillator such as an unstable multivibrator and a binary counter that counts the oscillation signal, and the output of the counter is counted for a predetermined period of time. It is designed to be finally output as a pulse of width RL! of the flip-flop 83, and its counter is RL! It is designed to be reset by output ■. The D-type flip-flop 88 is designed to sample and output the input from the D terminal using the rising edge of the input pulse from the T terminal, and the timer 87 is activated by operating the clear button CB as described above. When the card 1 is sent by one pitch, the retrieval mark 36 still does not cross the scanning line of the scanning sensor c either above or below, so a valid signal is sent to the D terminal of the flip-flop 88. Scanning data forming circuit C
The RHJ output indicating that more marks have been detected is input, and the flip-flop 83 is reset by the output of the flip-flop 88.

Therefore, the timer 87 stops operating after outputting only one pulse, and the card 1 is only fed by one pitch. By the way, when the clear button CB is operated, the R-S flip-flop 89 is set, and its output causes the feed direction reversal circuit 9 to be set for the set time, that is, until it is reset by the right limit switch 33r.
0 is controlled to switch the output operation of the card feed drive control circuit 86 and transport the card 1 in the opposite direction. When the card is operated, it is not determined whether the R-S flip-flop 91, which indicates the feeding direction of the card 1, is in the set state or the reset state. do not have.

When the transfer of only one pitch is completed, the scanning member b
moves back and forth. That is, when the clear button CB is operated, the scanning member forward movement instruction flip-flop 84 is set as described above, and its Q output is input to the AND 92; Since the signal obtained by inverting the Q output of the flip-flop 83 with the knot 93 is input, when the flip-flop 83 is being set, that is, when the card 1 is being transferred, the output of the AND 92 is the same as the above-mentioned scanning member drive circuit. μSD
The card 1 is not moved forward by driving the card 1, and the card 1 is moved forward only when the card 1 is stopped. This forward movement ends when the flip-flop 84 is reset by the right limit switch 33r as shown in FIG. is set, the scanning member b immediately begins to move backward.

5 This backward movement is completed by the scanning member b switching on the left limit switch 331 and resetting the flip-flop 94, but the scanning member b reaches the limit at a considerable speed. Since it collides with the switch 331, the limit switch 331 chatters due to the reaction as shown in FIG. Please set the limit switch 3.
The home position return signal from 31 is delayed as shown in FIG.
4, so that a force is applied to the scanning member b to move it further to the left even after reaching the left stroke end, thereby eliminating the above-mentioned fear. It has been prevented.

As described above, by operating the rear button CB, the scanning member b is
When the needle moves back and forth, as mentioned above, the needle selection unit number setting field 1s is set by the needle selection unit number setting circuit NS.
The number of needle selection units programmed in the unit is electrically set, and when the setting is done, one pulse ( The R-S flip-flop 96 in the card feeding and scanning instruction circuit CS is set by (■) in FIG. ■ Set the flip-flop 83 again. However, the card feed drive control circuit 86 is configured to receive the signal from the left limit switch 331 via the knot 97, and the card feed drive control circuit CD is activated only when the scanning member b is in the original position. Since the card 1 is designed to drive the number of needle selection units, the number of needle selection units is set. scanning member b at
It will not be transferred while the vehicle is running.

When the scanning member b returns to its original position, the flip-flop 8
3 has already been set as described above, the pulse of the timer 87 is input to the card feed drive control circuit 86, and the card 1 is transferred.

At this time, the transfer direction is determined by the one pulse from the needle selection unit number setting circuit NS setting the flip-flop 591 which instructs the card feeding direction via the OR 98, and by operating the clear button CB. Since the flip-flop 89, which had been in the The pulse is output from the output terminal as shown in ■, so it is in the forward direction.

The feed direction reversing circuit 90 is composed of two exclusive OR circuits, and when the output of the flip-flop 89 is RLJ, the input from the flip-flop 91 is directly input to the control circuit 86, and conversely, the above output is input to the control circuit 86 as is. When RHJ, the above input is inverted, and when set, the flip-flop 91 has a Q output that is RHJ.
This instructs to forward the card 1, and when the O output becomes RHJ at the time of reset, it instructs to forward the card 1 in the reverse direction.
The card 1 is first transferred by one pitch, but at that time the scanning sensor c is still detecting the search mark 36, so the card is transferred by the output () of the D-type flip-flop 88. The flip-flop 83 is about to be reset.

However, since this flip-flop 83 is given priority to the set signal, and the flip-flop 96 supplying the set signal is activated by the output X of the AND 99 (passing the Since it is not reset (reset by a falling edge) by the output of the effective scanning data forming circuit C, the set state is still maintained, and the card 1 is then repeatedly and intermittently transported in the forward direction.
When the search bar mark 36 moves away from the position facing the scanning sensor c due to such forward movement, the flip-flop 96 is reset at that moment, and the set signal to the card feeding flip-flop 83 disappears, but the flip-flop 83 is reset. The input to the D terminal of the D-type flip-flop 88 (output of the effective scanning data forming circuit C) also corresponds to the no mark, so the output of the D-type flip-flop 88 resets the flip-flop 83, as shown in ■. However, since the flip-flop 83 still maintains the set state, the card 1
continues to be transported in the forward direction even in the unmarked section where the search mark 36 is removed.

When the lowermost one of the feed control marks 34 is detected by the scanning sensor c due to the subsequent forward movement, the D-type flip-flop 88 resets the flip-flop 83. ,
Transfer of card 1 is stopped.

At the same time, the Q output X■ of the scanning member reciprocating flip-flop 84, which is in the set state by operating the clear button CB as described above, is transmitted through the AND 92 by resetting the flip-flop 83. By inputting the scanning member drive time μSD, the scanning member b reciprocates and the scanning sensor c detects the card 1 in FIG. 13, P2-P? The scanning member b stops when it returns to its original position, thereby completing the above-described series of operations performed by operating the clear button CB. It should be noted that the digital electrical signal representing the knitting pattern obtained by the first one-stage scanning (Fig. 13 However, its structure will be explained in detail later. The first scanning of the knitting pattern entry field 1p and the function mark entry field 1f of card 1 is automatically performed by operating the clear button CB as described above, but subsequent scanning is performed automatically by operating the clear button CB. This is automatically performed for each stage by reciprocating the carriage Y, which will be explained next.

When the carriage Y reverses its travel, the carriage travel direction detection switch part e in the carriage reversal switch mechanism E
The output of 1 (Fig. 16 1) is reversed from 1H to RL or vice versa, but this reversal is not, 2
The carriage reversal detection circuit 100, which includes two differentiating circuits and a NOR, outputs the signal shown in Figure 6 (■), sets the carriage reversal storage flip-flop 101, and stores that the carriage Y has been reversed. be done.

When the carriage Y enters the effective needle selection range divided by the left and right switch actuation pieces 31 and 3r by traveling after this reversal, as described above, the effective needle selection range indication switch part E3
As shown in Figure 16 ■, the output of RH! Therefore, the AND 102 inputted with this output and the Q output (■) of the flip-flop 101 outputs the signal RH as shown in (■), and this signal passes through the OR 82 and becomes the knot 82''.
After being inverted as shown in (■), the card feeding and scanning instruction circuit CS outputs the card feeding and scanning instruction signal as a card feeding and scanning instruction signal.
3 and 84 are set as shown in ■ and X■. By the way, since the output of knot 82'' is also used as a reset signal for the flip-flop 101, the flip-flop 101 is reset the moment the output of knot 82'' occurs, and as a result, AND102, knot The output of 82'' becomes a trigger waveform as shown in ■ and ■.

By setting the flip-flop 83, as in the case of operating the clear button CB described above, the pulse ■ from the timer 87 is activated by the card feed drive control circuit 86 as shown in ■.
Card feed drive circuit C through the output terminal of r1
D, and the first pulse (2) is first sent in the forward direction by one pitch, but as this one pitch movement causes the feed control mark 34 to miss the scanning sensor c, the effective scanning The output ■ of the data forming circuit C corresponds to the no mark,
The D-type flip-flop 88 is the flip-flop 83
Before being reset, the next pulse is output from the timer 87 and the card 1 is transferred one more pitch.

When the card 1 is transferred in this way and the next feed control mark 34 is detected by the scanning sensor c, the flip-flop 83 is reset and the transfer of the card 1 is stopped, and instead of the card 1 already set. Q output X of flip-flop 84 for instructing scanning member forward movement
Since (1) is input to the scanning member drive circuit SD via the AND 92 as shown by However, the output
The flip-flop 84 is reset, and the flip-flop 94 for instructing the scanning member to move backward is set, so that the scanning member b moves backward, stops when it reaches the original position, and scans the card 1 in one stage. finish.

Thus, the carriage Y is connected to the left and right switch activation pieces 31, 3.
Each time the card 1 is moved leftward or rightward from outside the range of r to within the range, the card 1 is automatically moved by the interval length of the feed control mark 34, and the scanning sensor c moves the card 1 step by step. will be scanned.

Note that the output of RlJ of the function storage circuit 80 in the function discrimination circuit FS (when a mark is applied to the leftmost mark grid row among the four mark grid rows in the function mark entry field 1f) The output of R2J (output of R2J) is configured to set the flip-flop 91 for instructing the feed direction via the OR 98, and the output of R2J (the mark is applied to the second grid column from the left edge of the above). The output (output when the card was in use) is reset, and card 1 can be sent forward or backward by marking any of the two grid rows mentioned above. It is possible to arbitrarily control whether the
Further, when the above-mentioned stop button SB is operated, the card feed drive control circuit 86 is reset.
Even if the carriage Y is moved back and forth as described above, the card 1 is not transferred and only the scanning member b is moved. Therefore, when the stop button SB is operated, the card 1 is repeatedly scanned in the same row, and one aspect of the knitting pattern in that row is such that a continuous pattern is repeatedly knitted. Furthermore, the AND 102 generates the output shown in FIG. It is designed to operate in the same way regardless of which direction it enters, but when button W is operated, the carriage Y is reversed from the left row to the right row and the effective needle selection range is selected from the right. An output is generated from another AND 103 only when . It is designed to feed and scan cards.

Furthermore, the clear button CB functions as a kind of start button when starting the scanning of card 1 as described above, but if it is operated during the scanning stage of the 4 formation patterns, the clear button CB is It is clear from the above that the card 1 can be moved one step in the opposite direction.

The input function section described above transfers and scans the card 1, and the knitting pattern drawn in the knitting pattern entry field 1p is read one by one in sequence and corresponds to the knitting needle N in a one-to-one relationship. Memory ME as a digital electrical signal
Next, by reading out the digital electrical signals stored in this memory MEM in accordance with the travel timing of the carriage Y while it is traveling within the effective needle selection range, The output function portion that causes the left and right knitting needle sorting mechanisms Fl and Fr to sort the knitting needles N will be explained with reference to FIGS. 17 and 18.

When the carriage Y enters the effective needle selection range, the inch part E3 for indicating the effective needle selection range of the carriage reversal switch mechanism E is activated.
However, while driving within the effective needle selection range, as shown in Figure 18 ■, the signal R
When H is output, the read address designation circuit RA is set in the set state only during the output.

This read address designation circuit RA includes an up/down counter, as will be explained in detail later with reference to FIG. Although it is designed to count I,
The counted value can be determined by inputting a parallel binary signal (more specifically, the output of the code converter 76 shown in FIG. 12) indicating the number of needle selection units from the needle selection unit number setting circuit NS. The number of needle selection units is preset to be the same as the number of needle selection units (12 in this example) programmed in the needle selection unit number setting field 1s, and the addition/subtraction can be changed from the carriage running direction detection switch e1. The timing pulse is added or subtracted depending on the direction in which the carriage is running.

Thus, the read addressing circuit RA
Every time the preset number of timing pulses is counted while the vehicle is running within the effective needle selection range, the same value (parallel binary electric signal) is repeatedly obtained as shown in (3).

In other words, it can be said that this circuit RA encodes the knitting needles N between the left and right switch activation pieces 31 and 3r, and assigns repeat numbers to them in a certain direction.

The output of this circuit RA is supplied to the aforementioned memory control circuit MC as a read address designation signal (read instruction signal) for the memory MEM, and is also supplied to the aforementioned memory control circuit MC as a signal V representing the carriage running direction. is a memory control circuit MC, a memory MEM
It is designed to be input as a signal to decide which of the two memory sections of memory M is to be read out.
The digital electrical signals stored in the EM are
In this example, O
11 12-bits are repeatedly read from
As shown in the figure, the signal is outputted from the memory control circuit MC as a binary electric signal and inputted to the waveform processing circuit WP.

The waveform processing circuit WP receives the signal ■ from the effective needle selection range indicating switch E3, and supplies the signal from the memory control circuit MC as valid to the electromagnet drive circuit MD only during the RHO period. The output of this drive circuit R (company) is inputted to the electromagnet 46 of the knitting needle sorting mechanism F1 or Fr on the side that performs the effective sorting operation by the electromagnet changeover switch E2. It's becoming like that. In this way, the knitting needles N between the left and right switch activation pieces 31 and 3r are arranged in the knitting pattern entry field 1p, with one pot as one group, as shown in ■.
Sorting is done according to the form of the knitting pattern drawn between the leftmost grid and the 12 grids on the right side (for example, in Fig. 18, the oval circle shown by the solid line is forward-biased,
The filled-in area indicates the backward deflection (the oval circle indicated by the broken line indicates the one in the rest position where it is not subjected to needle selection action). By the way, as mentioned above, the knitting pattern entry column 1p is scanned over the entire length of its left and right ends, and all bits of the digital electrical signal obtained by the one-stage scanning are stored in the memory MEM. The number of bits read from it is determined by the number of needle selection units programmed by marking the number of needle selection units setting field 1s. 1 from the left on the entry field 1p
Even if a knitting pattern is recorded on the right side of the second recorder grid, the recorded part on the right side is scanned and temporarily stored in the memory MEM, but it is read out as a signal for needle selection. There is no chance that it will happen.

With the above configuration, it is possible to knit a unit pattern according to the knitting pattern on the card 1, but the main hand knitting machine can also knit the pattern actually knitted without changing the knitting pattern. can be changed by manual operation of the manual operation member on the operation panel 2, which will be explained next.

The pattern left/right selection means RL is such that the output electric signal is reversed from RHJ to 1LJ as shown in FIG. This signal is compared (exclusively ORed) with the signal (2) representing the carriage traveling direction in the comparator circuit CO, and the comparison signal (2) causes the read address designation circuit RA to The direction of addition and subtraction of the down counter is now specified.

Therefore, the count value of the read address designating circuit RA determines whether the above-mentioned relationship (■) or X (X) is adopted for the movement of the carriage Y in a certain direction based on the operation of the pattern left/right selection means RL. Even if the knitting patterns on card 1 are the same, in the case of ■ and XV, the knitted patterns may be left and right reversed.

Next, the pattern mode selection means MS outputs an electric signal that is inverted from 1L to 1HJ or vice versa by switching the manual operation section, and supplies it to the waveform processing circuit WP. By operating this means MS, it is determined whether the waveform processing circuit WP passes the input X from the memory control MC as it is without inverting it, or inverts it as shown in (3). It is.

Therefore, by operating this means MS, the front and rear sorting mode of the knitting needles N can be reversed, and thereby the card 1
It is possible to invert the ground tie of the knitted pattern without changing the above knitting pattern.

The outline of the output function part has been described above.Next, the specific configuration of the memory control circuit MC is shown in FIG. 19, and the specific structure of the read address designation circuit RA is shown in FIG. This will be explained with reference to FIG.

First, the memory control circuit MC includes a data selector 104 made up of two gate groups 1041 and 104r. The data selector 104 is configured such that one gate group 104r is controlled by a signal representing the carriage traveling direction from the carriage traveling direction detection switch section e1 and passed through an AND gate 105, The other group of gates 1041 is controlled by a signal obtained by inverting the signal representing the carriage running direction at a knot 106 and passing through an AND gate 107. Writing and reading of the two storage units Mr and MI of the memory MEM are controlled.

That is, when the carriage Y is in the right row, the signal from the AND gate 105 to one gate group 104r becomes 1HJ, and the read address designation signal from the read address designation circuit RA is transmitted to one gate group 104r. The digital electric signal stored in the memory unit Mr is read out by being applied to the memory unit Mr and the AND gate 108 is opened.
added to the waveform processing circuit WP via the OR 109;
While needle selection is performed according to the content, the signal from the AND gate 107 to the other gate group 1041 becomes RL, and the write address designation signal from the write address designation circuit WA passes through the gate group 1041 to the other gate group 1041. The data from the effective scanning data forming circuit C is written into the storage section (2).

This written data is stored in the storage unit M at the same time as writing.
However, since the AND gate 110 is closed, the wave. It is never input to the shape processing circuit WP. On the other hand, when the carriage Y is in the left row, contrary to the above, writing is performed to the storage section Mr, and reading is performed to the storage section 2.

Also, when the clear button CB is operated. is the signal indicating the carriage running direction (H or L).
), both storage units (2) and Mr are set to be in the write state.

That is, when the clear button CB is operated, the flip-flop 111 is set, and the AND gate 105,
107 are both RL. J is output, and the write address designation signal is sent to both gate groups 1041 of the data selector 104,
The data is applied to both storage sections Ml and Mr of the memory MEM through 104r, and the data from the effective scanning data forming circuit C is written to both storage sections Ml and Mr at the same time. Therefore, the RH. Since either the signal J or 1LJ is output, one of the AND gates 108 and 110 is open, and both memory units Ml and Mr
Data stored in either one of them will be input to the waveform processing circuit WP.

However, since the operation of the clear button CB is performed with the carriage Y placed outside the effective needle selection range as described above, the electromagnets 46 of the knitting needle selection mechanisms Fl and Fr mentioned above are read out. It does not act on data. Even if the carriage Y is placed within the effective needle selection range by mistake, since the carriage Y is stopped, and even if it is moving, the movement timing of the carriage Y will not match. Since the timing of the timing pulse from the timing pulse generator 1 or Hr is different from the timing of the sampling pulse from the sampling sensor d, the electromagnet 46 is activated based on the data input to the waveform processing circuit WP. It never works. ? , read addressing circuit R
To explain A, it is up/down counter 1
The output from the output terminal of r1 of 12 is input to the memory control circuit MC as its output as described above, and other internal circuits other than this up/down counter 112 perform counting operations of the counter 112. It functions as a count control circuit that controls the

Now, the timing pulses (FIG. 21 1) from the timing pulse generators Hl and Hr are input to the effective timing pulse forming circuit 113, and only when the carriage Y is within the effective needle selection range and when the carriage Y is in the left row. The effective timing pulse forming circuit 113 is divided into two types:
It has come to be seen as more effective.

That is, the effective timing pulse forming circuit 113 receives, in addition to the timing pulse I, a signal (second
■) in Figure 1 and the signal ■ from the comparator circuit CO corresponding to the running direction of the carriage Y, the falling edge of the timing pulse is detected, and only while there is a signal representing the effective needle selection range. , in response to the signal ■ representing the traveling direction of the carriage, when it is 1HJ, it is output from the output terminal of ``1.J'' as shown in ■, and when it is RLJ, it is output from the R output terminal.
The effective timing pulse output from the output terminal of RlJ is added by the up/down counter 112, and the effective timing pulse output from the output terminal of R2J is added to the effective timing pulse output from the output terminal of RlJ. is now being subtracted.

In this way, the effective timing pulses from the effective timing pulse forming circuit 113 are determined to be added or subtracted depending on the traveling direction of the carriage Y, but when the up/down counter 112 performs an adding operation, (For example, when the carriage Y is in the right row), it is reset the moment the carriage Y enters the effective needle selection range (from the left side), and from then on, as the carriage Y moves, the needle selection unit number setting circuit NS is reset. Each time a specified number is counted (added), it is reset and the specified number is counted repeatedly, and when the carriage Y exits the effective needle selection range, the count value at that time is However, when performing a subtraction operation (for example, when the carriage Y is in the left row), the up/down counter 112 stores the counted value in the memory 114 for storing the counted value. At the moment when the count value is entered (from the right side), the count value storage memory 114 is preset to the count value stored in the memory 114, and from then on, as the carriage Y travels, the count value is subtracted and when it reaches O, the needle selection unit is Number setting circuit N
It is preset to the number specified by S, subtracted from there again, and when it becomes O again, it is preset to the number specified by the needle selection unit number setting circuit NS, and the operation of subtracting from there is repeated. As a result, the up/down counter 112 takes the same count value for each knitting needle in the group of knitting needles within the effective needle selection range when the carriage Y is on the left row and when it is on the right row. It's becoming like that.

Now, to explain in detail the configuration that causes the up/down counter 112 to perform such an operation, the data selector 115 consisting of a gate network receives an output (parallel binary signal) representing the number of needle selection units from the needle selection unit number setting circuit NS. , the output (parallel binary signal) from the count value storage memory 114 to be input to the up/down counter 112, and the preset instruction circuit 1
16 is designed to supply a preset instruction signal to the up/down counter 112, and when the up/down counter 112 receives the preset instruction signal, the up/down counter 112 selects one of the numerical values (needle selection unit) selected by the data selector 115. (or a numerical value stored in the memory 114).

The data selection instruction circuit 117 normally outputs RHJ as shown in FIG. When the signal ■ indicating (carriage Y
enters the effective needle selection range), the rising edge is detected and a negative pulse is output, which is sent to the data selector 1 above.
15 and preset instruction circuit 116.

The counter reset circuit 118 is a needle selection unit number setting circuit N.
When the input from S, that is, the number of needle selection units, and the input from up-down counter 112, that is, the counted value, match,
And when the input from the comparator circuit CO is at 0H, when the signal ■ representing the effective needle selection range rises,
As shown in (2), a reset pulse is output, thereby resetting the up/down counter 112.

However, now, on the needle bed
If only one set of r is arranged and the carriage Y is in the right row and the output of the comparator circuit CO is 1H during the right row, then the output of the data selection instruction circuit 117 is R.
H. Therefore, the data selector 115 passes the input from the needle selection unit number setting circuit NS.
When the carriage Y is running outside the effective needle selection range,
By ensuring that the output of the data select instruction circuit 117 input to the preset instruction circuit 116 is RHJ, and by supplying a borrow signal to the preset instruction circuit 116 when the up/down counter 112 is in an addition operation mode, the preset instruction circuit 116 The output of 116 remains RHJJ, and up/down counter 112 is not given a preset instruction.

When the carriage Y enters the effective needle selection range, at that moment the signal (■) representing the effective needle selection range rises, the counter reset circuit 118 outputs a reset pulse (■), and the up/down counter 112 takes a value of 0. .

When the carriage Y moves further to the right after entering the effective needle selection range, the up/down counter 112 adds the effective timing pulse ■ from the RlJ output terminal of the effective timing pulse forming circuit 113, and the counted value becomes the needle selection range. When the number of needle selection units (referred to as n) specified by the unit number setting circuit NS matches, a reset pulse is outputted from the counter reset circuit 118 at that moment, and the counter 112 is instantaneously reset.

Therefore, the counter 112 shows the count value Rno for only a short time, and the count value actually changes from Rn to ROJ. It can be seen as an n-ary counter that counts from RO to Rn-, and this counting operation is repeated while the carriage Y moves to the right within the effective needle selection range.

When the carriage Y exits the effective needle selection range, at that moment the signal ■ representing the effective needle selection range changes from RH to 1L. J, and the effective timing pulse forming circuit 113 no longer outputs a pulse.

Even if the carriage Y continues to move to the right thereafter, the counter reset circuit 118 does not output a reset pulse, and the effective timing pulse forming circuit 113 also does not output a pulse, so the up/down counter 112 The count value at the time of exiting above will be retained as is. Note that the counted value at this time is stored in the counted value storage memory 114, but when the left and right switch activation pieces 31, 3r are one set, this memory is actually stored in other circuits. Since it has no significant effect, we will ignore it.
Next, when the carriage Y reverses and moves to the left, the comparator circuit C
The output of O is RL! Therefore, the effective timing pulse forming circuit 113 outputs a pulse from the output terminal of R2J,
As a result, the up/down counter 112 starts subtracting the count value at the time of exit from the time when the carriage Y enters the effective needle selection range as the carriage Y moves to the left. When the count value reaches ROJ by such subtraction, the up/down counter 112 outputs a borrow signal, and as a result, the preset instruction circuit 116 gives a preset instruction signal to the counter 112, and the counter 112 is selected by the data selector 115. Preset to numeric value.

This preset is Rn-1J specified by the needle selection unit number setting circuit NS because the output of the data selection instruction circuit 117 is 1HJ. Therefore, the up/down counter 112 sets the count value to Rn-1 by the pulse input after counting ROJ, and then subtracts it every time a pulse is input, and after counting ROJ, the same as above is repeated. It is something that is repeated.

In the above, the case where only one set of the left and right switch activation pieces 31, -3r is arranged on the needle bed Even if the blocks are arranged intermittently on x, that is, even if a plurality of effective needle selection ranges are provided, similar unit pattern knitting can be performed for the effective needle selection l range of each block. Next, this configuration, which is the focus of the present invention, will be explained.

Note that this configuration allows knitting fabrics in which similar patterns appear intermittently horizontally. The needle selection range will be referred to as one point. Therefore, if we use this method of expression, all of the matters described above are the structure and effect for one-point knitting, and the matters described below are the structure and effect for multi-point knitting. . Now, the shift pulse generating circuit 119 is composed of, for example, a differentiating circuit, and detects the falling edge of the signal representing the effective needle selection range (Fig. 21 ■), and the carriage Y detects the effective needle selection range as shown in When exiting, i.e. each point is missed, the signal 1 is emitted.
It outputs LJ and inputs it as a shift pulse to the memory 114 for storing count values, and the memory 114
is composed of, for example, a reversible shift register that can be shifted left and right, and the output of the comparator circuit CO is RH
The shift direction is determined depending on whether the vehicle is in the position or RLJ.

That is, the memory 114 is configured to change the shift direction depending on the traveling direction of the carriage Y. Therefore, when the carriage Y is in the right direction, the up/down counter 112
As shown in By outputting a shift pulse from the circuit 119, the data are stored in the memory 114 in order.

Incidentally, in Fig. 21x■, they are R8 and R2J. Note that the memory 114 stores the count value as described above using the shift pulse, and continues to output the stored data from its output terminal until the next shift is performed. Next, when the carriage Y leaves the rightmost point and reverses and moves to the left, the memory 114 outputs a parallel binary signal related to the count value when it leaves the rightmost point. Therefore, when the carriage Y enters the first point (the rightmost point above) and the data select instruction circuit 117 outputs the pulse ■, this pulse is input to the preset instruction circuit 116 and the data selector 115, As a result, the up/down counter 112 is preset to the value currently output by the memory 114, that is, the same value as the count value when the carriage Y exits the relevant point when moving to the right.

Note that the counter 112 holds the last counted value before reversal, as in the case of the one-point knitting described above, but since the counted value and the preset value are the same, there is no difference. No problem. In the continuing leftward movement of the carriage Y after the above presetting, the counter 11
2 performs the same subtraction as in the one-point knitting case described above, and when the carriage Y exits the rightmost point, the shift pulse generation circuit 119 outputs the shift pulse x, and the memory 114 stores the next The numerical value related to the point (second from the rightmost point) is output, and when the carriage Y enters that point, the counter 112 indicates that when the carriage Y exits the second point from the right side when moving to the right. It is preset to the same value as the current count value, and then subtraction is performed as the carriage Y moves to the left.

Therefore, if the carriage Y is repeatedly moved left and right between the points beyond the left and right points, for a certain knitting needle N within a certain point, data at a certain fixed address in the memory MEM is read out. It is something. Therefore, when the left and right switch activation pieces 31, 3r are arranged on a plurality of needle beds x, that is, in the case of multiple points, the unit pattern related to the knitting pattern drawn on the card 1 The number of patterns that appear intermittently can be set arbitrarily by changing the number of sets of the left and right switch activation pieces 31, 3r, and the width of each pattern is determined by each set. Any width can be set by changing the interval between the left and right switch activation pieces 31, 3r, and the position of each pattern on the knitted fabric is determined by the position of each set of left and right switch activation pieces 31, 3r on the needle bed x. It is clear from the above that this can also be set arbitrarily by changing.

In addition, when performing multi-point knitting, the card 1 is transferred and the scanning member b is moved when the carriage Y approaches the switch activation piece 31 on the left side of the left-hand point, and when the carriage Y approaches the switch activation piece 31 on the left side of the left-hand point, and when the carriage Y approaches the switch actuation piece 31 on the left side of the left-hand point, and when the carriage Y approaches the switch activation piece 31 on the left side of the left-hand point, This is done only when the switch activating piece 3r is reached, but the details will be omitted.

Although one embodiment of a hand knitting machine to which the present invention is applied has been described above, the present invention is not limited to this.

That is, in the above embodiment, the left and right swing activation pieces 31, 3r are arranged on the needle bed x as point setting means for dividing the effective needle selection range, while the above-mentioned switch activation piece is placed on the carriage Y as a point detection means. Mechanical needle selection end detection switch mechanisms Gl and Gr are provided, which are operated by engaging with the pieces 31 and 3r, but as a point setting means, a member with an optical mark is placed on the needle bed x. This may be detected by a photoelectric sensor as a point detection means provided on the carriage Y side, or a reed switch can be slid left and right on a guide rod or the like installed horizontally on the X side of the knitting machine body as a point setting means. However, even if the carriage Y is equipped with a permanent magnet and the reed switch is operated when the carriage Y approaches the reed switch, electrical detection of the left and right ends of the effective needle selection range is not possible. It is something that can be done.

Further, in the above embodiment, the coil 31 of the scanning member b
is fitted into the guide rod 28, and currents of opposite polarities are passed through it to apply magnetic forces in opposite directions to the left and right coils 31 using the permanent magnet 32 as a stator. However, two coils with the winding directions reversed are used.
In addition, even if the guide rod 28 is made of a magnetic material and current is passed through the two coils alternately so that a magnetic force is generated between the coil and the guide rod 28, the scanning member b can be moved back and forth. There are things that can be made to run.

In this case, the guide rod 28 functions as a guide means for guiding the movement of the scanning member b, and at the same time functions as a stator of the linear motor. Further, in the above description, the card 1 is driven by the electromagnets 16, 16'', but a pulse motor may also be used.

Furthermore, in the above, a card in which one reporter grid corresponds to one stitch is used as the knitting program card 1, but a card in which one reporter grid corresponds to a predetermined plurality of stitches may be used. Further, a card on which a knitting pattern, a function mark, and a needle selection unit number setting mark are printed in advance may be used.

Furthermore, the knitting pattern and the above marks can be created by filling in the card surface, or by pasting colored paper of the desired shape onto the card, and can be read in the same way as above. It is.

As is clear from the above description, the needle selection method for the knitting machine of the present invention is such that the needle selection method for the knitting machine of the present invention allows
By arranging multiple pairs of point setting means,
The effective needle selection range, which is the interval between the left and right pair of point setting means, is formed into multiple sections. Then, as the carriage travels within each effective needle selection range, the above-mentioned timing pulses obtained in relation to the travel are counted by a counter only between the left and right point setting means. At the same time, a readout address designation signal corresponding to each knitting needle is created, and a readout address designation signal corresponding to the installation position of at least one of the left and right point setting means for each effective needle selection range is stored in a count value storage memory. Then, the count value of the counter for the next carriage operation is set using the stored readout address designation signal related to the previous carriage operation, and while creating a new readout address designation signal, the digital electric signal corresponding to the pattern is generated. It is characterized by reading out from memory.

Therefore, according to the present invention, a plurality of patterns including the same unit pattern can be realized at arbitrary positions on one knitted surface, that is, it is possible to automatically knit multiple points by simply reciprocating the carriage. The width of the pattern, the position between each other, and the number of patterns that are realized intermittently can be arbitrarily and easily changed by changing the setting position and number of the point setting means.

・Brief description of the drawings Figure 1 is a simplified perspective view of the entire hand knitting machine to which the present invention is applied, and Figure 2 is an example of a reading device and an example of the knitting program card loaded therein. 3 is a cross-sectional view of the entire hand knitting machine, FIG. 4 is a partially cutaway plan view of the reading device, FIG. 5 is a right side view of the same, and FIG.
The figure is a sectional view taken along the I-1 line in Figure 2, and Figure 7 is the same
-■ Line sectional view, Figure 8 is a diagram showing the relationship between the upper surface of the needle bed and the carriage mounted on it. FIG. 9 is a sectional view of the knitting needle selection mechanism on the left side when the back side is shown in FIG. 8, FIG. 10 is a sectional view of the carriage reversing switch mechanism, and FIG. FIG. 12 is a block diagram showing the configuration of an input function section for processing data obtained by scanning a program card and storing it in memory; FIG. 12 shows the effective scanned data in the block diagram of FIG. 11; formation circuit, effective sampling pulse formation circuit, pulse separation circuit,
Figure 13 is a block diagram showing the specific configuration of the needle selection unit number setting circuit and the function discrimination circuit.
Time chart showing the operation of the circuit shown in Figure 2, No. 14
15 is a block diagram showing a specific configuration of the card feeding and scanning instruction circuit and the card feeding and scanning control circuit in the block diaphragm of FIG.
FIG. 16 is a tire chart showing the operation of the circuit shown in FIG. 14, FIG. 17 is a block diagram showing the configuration of an output function section that reads data stored in the memory and performs final needle selection, and FIG. The figure is a time chart showing the operation of the circuit shown in FIG. 17, FIG. 19 is a block diagram showing the specific configuration of the memory control circuit in FIG. 17, and FIG. A block diagram showing the configuration, FIG. 21 is a time chart showing the same operation as above, and FIGS. 22 and 23 are parts of the composition program card prepared separately from the composition program card shown in FIG. 2. It is a front view.

MEM...Memory, 31,3r...Switch activation piece as an example of point setting means, Y...
Carriage, Gl, Gr...Switch mechanism for detecting needle selection end as point detection means, Hl, Hr...Timing pulse generator, 114...Memory for storing counted values, RA...Reading Addressing circuit, MC...
・Memory control circuit.

Claims (1)

[Claims] 1. A digital electrical signal corresponding to the pattern to be knitted is stored in a memory, and a readout address designation signal is created by counting timing pulses obtained in relation to carriage travel with a counter, and this signal is In the needle selection method for a knitting machine in which the digital electric signal is read out and needles are selected according to the content thereof, by arranging a plurality of pairs of left and right point setting means at arbitrary positions on the knitting machine main body side. , a plurality of effective needle selection ranges, which are the intervals between the left and right pair of point setting means, are formed, and when the carriage travels within each effective needle selection range, the timing pulse is applied to the counter only between the left and right point setting means. By counting, a readout address designation signal corresponding to one knitting needle is generated for each effective needle selection range, and at least one of the left and right point setting means is installed for each effective needle selection range. The corresponding readout address designation signal is stored in the count value storage memory, and the stored previous carriage sets the count value of the counter in the next carriage operation using the readout address designation signal related to the operation, and then reads it out anew. A needle selection method for a knitting machine characterized by reading out the above-mentioned digital electric signal while creating an addressing signal.